MRI of marked dural sac compression by surgicel in the immediately postoperative period after uncomplicated lumbar laminectomy.

abstract：:The aim of this review was to review the basic background, technique, and clinical applications of arterial spin labeling in brain tumors. Arterial spin labeling is used for differentiation of brain tumors from nonneoplastic lesions such as infarction and infection. It has a role in the grading of gliomas and in the d...

journal_title：Journal of computer assisted tomography

authors： Abdel Razek AAK,Talaat M,El-Serougy L,Gaballa G,Abdelsalam M

更新日期：2019-07-01 00:00:00

abstract：PURPOSE:To determine the feasibility of diffusion-weighted magnetic resonance (MR) imaging (DWI) of uterine cervical cancer and to investigate whether the apparent diffusion coefficient (ADC) values of cervical cancer differ from those of normal cervix and whether they could indicate the histologic type and the patholo...

journal_title：Journal of computer assisted tomography

authors： Liu Y,Bai R,Sun H,Liu H,Wang D

更新日期：2009-11-01 00:00:00

abstract：:Prior to the development of CT, cardiac and pericardiac masses were evaluated by chest roentgenography, angiocardiography, and echocardiography. In most cases preoperative diagnosis of a specific entity was impossible. Preoperative CT diagnosis of an intrapericardial developmental mass becomes possible because of the ...

journal_title：Journal of computer assisted tomography

authors： Moncada R,Baliga K,Moguillansky SJ,Subramanian R,Demos TC,Lozada C,Bianchi G,Ow EP

更新日期：1985-01-01 00:00:00

abstract：PURPOSE:Our goal was to examine the effects of collimation width (CW), pitch, viewing plane, and windowing on the display of in-plane vessels in maximum intensity projection (MIP). METHOD:A theoretical concept based on partial volume averaging of vessels was developed to describe the contents of voxels (densities) in ...

journal_title：Journal of computer assisted tomography

authors： Diederichs CG,Keating DP,Glatting G,Oestmann JW

更新日期：1996-11-01 00:00:00

abstract：PURPOSE:The objective of this study was to characterize cervical computed tomography (CT) findings in Kawasaki disease (KD) patients that may facilitate early diagnosis. METHODS:We retrospectively reviewed cervical CT images of 78 children with cervical lymphadenopathy to analyze the distribution and morphology of lym...

journal_title：Journal of computer assisted tomography

authors： Katsumata N,Aoki J,Tashiro M,Taketomi-Takahashi A,Tsushima Y

更新日期：2013-09-01 00:00:00

abstract：:Five cases of histologically confirmed olfactory neuroblastoma (esthesioneuroblastomas) have been studied by computed tomography (CT). Both the clinical symptoms (in particular, unilateral nasal obstruction and recurring epistaxis) and radiological findings (opacity of the paranasal sinuses) are nonspecific. Computed ...

journal_title：Journal of computer assisted tomography

authors： Manelfe C,Bonafé A,Fabre P,Pessey JJ

更新日期：1978-09-01 00:00:00

abstract：:A method is outlined for obtaining direct longitudinal computed tomograms of the forearm using a conventional total body scanner. A case is described in which longitudinal scanning helped define a soft tissue tumor of the forearm and thereby assisted in surgical planning. ...

journal_title：Journal of computer assisted tomography

authors： Nesbit D,Levine E,Neff JR

更新日期：1981-02-01 00:00:00

abstract：:Gadolinium diethylenetriamine pentaacetic acid (DTPA) enhanced magnetic resonance imaging was performed in eight patients with Cushing disease and surgically proven pituitary microadenomas. A 1.5 T scanner was used with 3 mm contiguous slices. Short repetition times (TR), short echo times (TE), and long TR, long TE se...

journal_title：Journal of computer assisted tomography

authors： Doppman JL,Frank JA,Dwyer AJ,Oldfield EH,Miller DL,Nieman LK,Chrousos GP,Cutler GB Jr,Loriaux DL

更新日期：1988-09-01 00:00:00

abstract：:An increase in the effective atomic number of blood is among the factors allowing or influencing the visualization of the major cerebral vessels on noncontrast CT. Bromine (atomic number, 50) attenuates 70 keV X-rays significantly and was responsible for a striking enhancement of the major cerebral vessels on the nonc...

journal_title：Journal of computer assisted tomography

authors： Osborne DR,Bohan T,Hodson A

更新日期：1984-10-01 00:00:00

abstract：:Fallopian tube carcinoma is an unusual gynecologic malignancy that is rarely diagnosed preoperatively. We report a case of fallopian tube carcinoma occurring in a patient who had undergone a hysterectomy many years previously, in whom findings on computed tomography and ultrasound were highly suggestive of the diagnos...

journal_title：Journal of computer assisted tomography

authors： Santana P,Desser TS,Teng N

更新日期：2003-05-01 00:00:00

abstract：:Eight magnetic resonance (MR) examinations were performed in seven patients with Achilles tendon injuries and correlated with physical examination and surgical and clinical follow-up. The MR examinations depicted the Achilles tendon in excellent detail and Achilles tendon abnormalities with greater accuracy than physi...

journal_title：Journal of computer assisted tomography

authors： Marcus DS,Reicher MA,Kellerhouse LE

更新日期：1989-05-01 00:00:00

abstract：PURPOSE:Our goal was to assess the performance of high resolution CT on breast biopsy specimens before considering the reevaluation of refined CT techniques in patients with breast abnormalities. METHOD:High resolution CT was done in 44 surgical biopsy specimens following conventional X-ray specimen mammography. The s...

journal_title：Journal of computer assisted tomography

authors： Raptopoulos V,Baum JK,Hochman M,Karellas A,Houlihan MJ,D'Orsi CJ

更新日期：1996-03-01 00:00:00

abstract：:Previous reports of magnetic resonance imaging of the prostate have described a homogeneous appearance to the normal prostate gland. The T2-weighted images of the normal prostate obtained at higher field strength (1.5 T) reveal an inhomogeneous appearance of the normal gland, with apparent differentiation of normal pr...

journal_title：Journal of computer assisted tomography

authors： Sommer FG,McNeal JE,Carrol CL

更新日期：1986-11-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to compare chest digital tomosynthesis (DTS) and multidetector computed tomography (MDCT) for the detection of pulmonary ground-glass opacity (GGO) nodules and estimation of radiation dose using an anthropomorphic chest phantom and simulated nodules. MATERIALS AND METHODS:A male...

journal_title：Journal of computer assisted tomography

authors： Zhao F,Zeng Y,Peng G,Yu R,Peng S,Tan H,Liu X,Wang J

更新日期：2012-09-01 00:00:00

abstract：:The subarachnoid space continues into the orbit as part of the optic nerve sheath. This space varies in size but is usually tiny. Occasionally, prominent (one case in our experience) enhancement of the optic nerve as part of metrizamide computed tomography (CT) cisternography is seen on transverse and coronal scans pr...

journal_title：Journal of computer assisted tomography

authors： Fox AJ,Debrun G,Vinuela F,Assis L,Coates R

更新日期：1979-10-01 00:00:00

abstract：OBJECTIVE:To evaluate the overall diagnostic value of magnetic resonance imaging (MRI) in restaging of rectal cancer after preoperative chemoradiotherapy based on qualified studies. METHODS:PubMed, Cochrane, and EMBASE database were searched by the index words to identify the qualified studies, and relevant literature...

journal_title：Journal of computer assisted tomography

authors： Wei MZ,Zhao ZH,Wang JY

更新日期：2020-01-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to explore the usefulness of combined virtual monochromatic imaging and metal artifact reduction software (MARS) for the evaluation of musculoskeletal periprosthetic tissue. METHODS:Measurements were performed in periprosthetic and remote regions in 80 patients using a high-definiti...

journal_title：Journal of computer assisted tomography

authors： Reynoso E,Capunay C,Rasumoff A,Vallejos J,Carpio J,Lago K,Carrascosa P

更新日期：2016-07-01 00:00:00

abstract：PURPOSE:Quantitative measurement of change in brain size and shape (e.g., to estimate atrophy) is an important current area of research. New methods of change analysis attempt to improve robustness, accuracy, and extent of automation. A fully automated method has been developed that achieves high estimation accuracy. ...

journal_title：Journal of computer assisted tomography

authors： Smith SM,De Stefano N,Jenkinson M,Matthews PM

更新日期：2001-05-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to evaluate the image quality and radiation dose of computed tomography (CT) coronary angiography using a 256-row detector CT scanner in a single cardiac cycle in patients with atrial fibrillation (AF). METHODS:Seventy consecutive patients (41 men and 29 women; age range was fro...

journal_title：Journal of computer assisted tomography

authors： Wen B,Xu L,Liang J,Fan Z,Sun Z

更新日期：2018-03-01 00:00:00

abstract：:Fifty-two computed tomography examinations through the region of the pancreas were retrospectively analyzed to determine if marked stomach distension influenced the visualization of the pancreatic tail. Of the 29 patients who had marked stomach distension, 25 (86%) had displacement of small bowel loops away from the v...

journal_title：Journal of computer assisted tomography

authors： Stuck KJ,Kuhns LR

更新日期：1981-08-01 00:00:00

abstract：OBJECTIVE:Our goal was to analyze the sources of nonuniform image intensity of two surface coil configurations used on a General Electric 1.5 T Signa scanner and to correct the major source. MATERIALS AND METHODS:Correction of receive coil nonuniform sensitivity is achieved using division by images of a uniform phanto...

journal_title：Journal of computer assisted tomography

authors： Tofts PS,Barker GJ,Simmons A,MacManus DG,Thorpe J,Gass A,Miller DH

更新日期：1994-11-01 00:00:00

abstract：:We describe the case of a 50-year-old man with history of remote splenectomy who underwent routine lung cancer screening chest computed tomography and was incidentally found to have a liver lesion. Dedicated liver protocol computed tomography demonstrated "archiform" enhancement pattern in the arterial phase and homog...

journal_title：Journal of computer assisted tomography

authors： Varghese J,Bergson J,Yaipen O

更新日期：2018-09-01 00:00:00

abstract：:This is a preliminary investigation of the cerebrospinal fluid (CSF) spaces using cardiac gated magnetic resonance imaging. A variation of intensity of the signal from the cerebral aqueduct is demonstrated during the cardiac cycle. The pattern of this variation suggests pulsatile CSF flow. Calculations that have been ...

journal_title：Journal of computer assisted tomography

authors： Bergstrand G,Bergström M,Nordell B,Ståhlberg F,Ericsson A,Hemmingsson A,Sperber G,Thuomas KA,Jung B

更新日期：1985-11-01 00:00:00

abstract：:A low density barium sulfate mixture has been specially formulated and routinely used in over 800 abdominal computer assisted tomography scans over the past 3 years. ...

journal_title：Journal of computer assisted tomography

authors： Hatfield KD,Segal SD,Tait K

更新日期：1980-08-01 00:00:00

abstract：OBJECTIVE:We applied glucose loading during PET studies with [18F]2-fluoro-2-deoxy-D-glucose (FDG) to enhance detection of brain tumors by diminution of FDG uptake in normal gray matter. MATERIALS AND METHODS:This study involved three patients with glioblastomas. Two PET scans were performed in all cases within 1 week...

journal_title：Journal of computer assisted tomography

authors： Ishizu K,Sadato N,Yonekura Y,Nishizawa S,Magata Y,Tamaki N,Tsuchida T,Okazawa H,Tanaka F,Miyatake S

更新日期：1994-01-01 00:00:00

abstract：:The computed tomography findings in 10 patients with pseudocysts or abscesses following acute pancreatitis are described. Computed tomography was of great value in demonstrating the type and extension of the pancreatic lesion. Endoscopic retrograde cholangiopancreatography was attempted in six cases, and the informati...

journal_title：Journal of computer assisted tomography

authors： Kolmannskog F,Kolbenstvedt A,Aakhus T

更新日期：1981-04-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to evaluate the usefulness of z-score mapping method on neuroradiologists' performance in quantification of the extent of hypoattenuation regions of hyperacute stroke on unenhanced computed tomographic (CT) images by using the Alberta Stroke Programme Early CT Score system. METH...

journal_title：Journal of computer assisted tomography

authors： Takahashi N,Tsai DY,Lee Y,Kinoshita T,Ishii K,Tamura H,Takahashi S

更新日期：2010-09-01 00:00:00

abstract：:Repeat examinations in a de novo patient with Wilson disease revealed an expansion of decreased signal intensities in the basal ganglia on T2-weighted imaging after initiation of copper trapping therapy. Since marked clinical improvement was associated with continued urinary copper excretion, iron depositioning in exc...

journal_title：Journal of computer assisted tomography

authors： Engelbrecht V,Schlaug G,Hefter H,Kahn T,Mödder U

更新日期：1995-07-01 00:00:00

abstract：OBJECTIVE:To investigate the magnetic resonance imaging (MRI) features of well-differentiated hepatocellular carcinoma (HCC). METHODS:We reviewed the MRI of 32 patients with 33 pathologically confirmed well-differentiated HCC. The MRI protocol included T2-weighted imaging with and without fat saturation, dual-phase T1...

journal_title：Journal of computer assisted tomography

authors： Li CS,Chen RC,Lii JM,Chen WT,Shih LS,Zhang TA,Tu HY

更新日期：2006-07-01 00:00:00

abstract：OBJECTIVE:The objectives of this study were to develop a software program that calculates bone cross-sectional area (CSA) and moments of inertia from digital images, test the computations for accuracy, and implement the software in a study of longitudinal changes in bone properties in a large group of postmenopausal wo...

journal_title：Journal of computer assisted tomography

authors： Corcoran TA,Sandler RB,Myers ER,Lebowitz HH,Hayes WC

更新日期：1994-07-01 00:00:00